/ Dictionary / Index U Usumbura: Meaning and Definition of Find definitions for: U•sum•bu•ra Pronunciation: ("soom-boor'u), [key] — n. former name of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: usumbura (Thesaurus) Usumacinta usurer Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language